tailodds FORECAST
Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Ontario → Dulles via Salt Lake City: arrives on time 89%

  1. 17:21 ONT → 20:17 SLC
    DL 4443 · Delta, flown by SkyWest · 1h 56m · 87% on time, 0.0% cancelled
  2. 3h 42m layover in Salt Lake City (SLC) · 90 min minimum on separate tickets
  3. 23:59 SLC → 06:13 IAD +1 day
    UA 726 · United · 4h 14m · 95% on time, 2.4% cancelled

Total trip 9h 52m, scheduled departure to arrival (Dulles is 3 h ahead of Ontario). Times are local. Both flew on 24 of the last 56 days.

Makes the connection96%The first flight arrived more than 132 minutes late on 4% of the days it flew: too late for the 90-minute minimum connection on a 3h 42m layover.
Arrives on time89%First flight not cancelled (0.0% are) × connection made (96%) × second flight not cancelled (2.4% are) and within 15 minutes (95%).
Total trip9h 52mONT 17:21 to IAD 06:13, layover included

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.